• World Neurosurg · Nov 2022

    Comparing Rates of Postoperative Meningitis after Endoscopic Endonasal Procedures based on MRSA/MSSA Colonization and Antibiotic Prophylaxis.

    • Cordelia Orillac, Aneek Patel, Yosef Dastagirzada, Carolina Benjamin, Seth Lieberman, Richard Lebowitz, John G Golfinos, and Donato Pacione.
    • Department of Neurosurgery, NYU Langone Health, New York, New York, USA.
    • World Neurosurg. 2022 Nov 1; 167: e858e864e858-e864.

    BackgroundEndoscopic endonasal approach (EEA) procedures are inherently contaminated due to direct access through the nasopharyngeal mucosa. The reported rate of postoperative meningitis in EEA procedures is 0.7%-3%. A variety of methods exist to minimize the risk of meningitis with antibiotic prophylaxis, although their value is not completely understood. This study investigated whether there is a difference in rates of postoperative meningitis based on Staphylococcus aureus colonization and use of preoperative antibiotic prophylaxis.MethodsAll adult patients who underwent EEA resection at our institution from 2013 to 2021 were retrospectively reviewed. Patients with preoperative cerebrospinal fluid infections were excluded. Data including recent preoperative infections, preoperative colonization status, antibiotic administration, and postoperative outcomes were recorded for each patient.ResultsOf 483 patients identified (mean age, 51 years; range, 18-90 years; 274 [56.7%] female), 80 (16.6%) had a positive preoperative methicillin-resistant Staphylococcus aureus (MRSA)/methicillin-sensitive Staphylococcus aureus (MSSA) screening swab. Twenty-one (26.3%) colonized patients were treated with preoperative decolonizing antibiotics. Within 30 days of surgery, 13 (2.7%) patients developed culture-positive meningitis. There was no significant difference in meningitis rates based on MRSA/MSSA colonization status. Among colonized patients, there was no significant difference in rates of MRSA/MSSA meningitis based on preoperative antibiotic decolonization.ConclusionsPostoperative rates of meningitis after EEA surgery were not significantly changed based on MRSA/MSSA colonization status of the patient or preoperative decolonization. The utility of preoperative testing of MRSA/MSSA status and antibiotics for decolonization to prevent postoperative meningitis should be further investigated.Copyright © 2022 Elsevier Inc. All rights reserved.

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